C.F.R. » Title 21 » CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES › SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION › PART 172—FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION › Subpart B—Food Preservatives

21 C.F.R. § 172.160

Potassium nitrate

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The food additive potassium nitrate may be safely used as a curing agent in the processing of cod roe, in an amount not to exceed 200 parts per million of the finished roe.